XML 36 R27.htm IDEA: XBRL DOCUMENT v3.22.2.2
Inventories (Tables)
6 Months Ended
Aug. 31, 2022
Inventory [Abstract]  
Schedule of inventories
    August 31,
2022
    February 28,
2022
 
Raw materials   $ 132,657     $ 129,836  
Work-in-process     6,644       14,421  
Finished goods     15,356       -  
Total inventory   $ 154,657     $ 144,257